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f537ebc4 C |
1 | (* |
2 | * Copyright 2010, INRIA, University of Copenhagen | |
3 | * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix | |
4 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen | |
5 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix | |
6 | * This file is part of Coccinelle. | |
7 | * | |
8 | * Coccinelle is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, according to version 2 of the License. | |
11 | * | |
12 | * Coccinelle is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
19 | * | |
20 | * The authors reserve the right to distribute this or future versions of | |
21 | * Coccinelle under other licenses. | |
22 | *) | |
23 | ||
24 | ||
34e49164 C |
25 | (* --------------------------------------------------------------------- *) |
26 | (* Modified code *) | |
27 | ||
190f1acf | 28 | type added_string = Noindent of string | Indent of string | Space of string |
c3e37e97 | 29 | |
34e49164 | 30 | type info = { line : int; column : int; |
c3e37e97 C |
31 | strbef : (added_string * int (* line *) * int (* col *)) list; |
32 | straft : (added_string * int (* line *) * int (* col *)) list } | |
34e49164 C |
33 | type line = int |
34 | type meta_name = string * string | |
35 | (* need to be careful about rewrapping, to avoid duplicating pos info | |
36 | currently, the pos info is always None until asttoctl2. *) | |
37 | type 'a wrap = | |
38 | {node : 'a; | |
39 | node_line : line; | |
40 | free_vars : meta_name list; (*free vars*) | |
41 | minus_free_vars : meta_name list; (*minus free vars*) | |
978fd7e5 | 42 | fresh_vars : (meta_name * seed) list; (*fresh vars*) |
34e49164 C |
43 | inherited : meta_name list; (*inherited vars*) |
44 | saved_witness : meta_name list; (*witness vars*) | |
45 | bef_aft : dots_bef_aft; | |
46 | (* the following is for or expressions *) | |
47 | pos_info : meta_name mcode option; (* pos info, try not to duplicate *) | |
48 | true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *) | |
690d68d1 C |
49 | (* the following is only for declarations *) |
50 | safe_for_multi_decls : bool; | |
34e49164 C |
51 | (* isos relevant to the term; ultimately only used for rule_elems *) |
52 | iso_info : (string*anything) list } | |
53 | ||
54 | and 'a befaft = | |
951c7801 C |
55 | BEFORE of 'a list list * count |
56 | | AFTER of 'a list list * count | |
57 | | BEFOREAFTER of 'a list list * 'a list list * count | |
34e49164 C |
58 | | NOTHING |
59 | ||
8babbc8f C |
60 | and 'a replacement = REPLACEMENT of 'a list list * count | NOREPLACEMENT |
61 | ||
8f657093 | 62 | and 'a mcode = 'a * info * mcodekind * meta_pos list (* pos variables *) |
951c7801 C |
63 | (* pos is an offset indicating where in the C code the mcodekind |
64 | has an effect *) | |
65 | (* int list is the match instances, which are only meaningful in annotated | |
66 | C code *) | |
8babbc8f | 67 | (* adjacency is the adjacency index, which is incremented on context dots *) |
5626f154 | 68 | (* iteration is only allowed on context code, the intuition vaguely being |
951c7801 C |
69 | that there is no way to replace something more than once. Actually, |
70 | allowing iterated additions on minus code would cause problems with some | |
71 | heuristics for adding braces, because one couldn't identify simple | |
72 | replacements with certainty. Anyway, iteration doesn't seem to be needed | |
73 | on - code for the moment. Although it may be confusing that there can be | |
74 | iterated addition of code before context code where the context code is | |
75 | immediately followed by removed code. *) | |
8babbc8f | 76 | and adjacency = ALLMINUS | ADJ of int |
951c7801 | 77 | and mcodekind = |
8babbc8f | 78 | MINUS of pos * int list * adjacency * anything replacement |
34e49164 | 79 | | CONTEXT of pos * anything befaft |
951c7801 C |
80 | | PLUS of count |
81 | and count = ONE (* + *) | MANY (* ++ *) | |
82 | and fixpos = | |
34e49164 | 83 | Real of int (* charpos *) | Virt of int * int (* charpos + offset *) |
951c7801 | 84 | and pos = NoPos | DontCarePos | FixPos of (fixpos * fixpos) |
34e49164 C |
85 | |
86 | and dots_bef_aft = | |
87 | NoDots | |
88 | | AddingBetweenDots of statement * int (*index of let var*) | |
89 | | DroppingBetweenDots of statement * int (*index of let var*) | |
90 | ||
91 | and inherited = Type_cocci.inherited | |
92 | and keep_binding = Type_cocci.keep_binding | |
93 | and multi = bool (*true if a nest is one or more, false if it is zero or more*) | |
94 | ||
95 | and end_info = | |
978fd7e5 | 96 | meta_name list (*free vars*) * (meta_name * seed) list (*fresh*) * |
b1b2de81 | 97 | meta_name list (*inherited vars*) * mcodekind |
34e49164 C |
98 | |
99 | (* --------------------------------------------------------------------- *) | |
100 | (* Metavariables *) | |
101 | ||
102 | and arity = UNIQUE | OPT | MULTI | NONE | |
103 | ||
104 | and metavar = | |
b23ff9c7 C |
105 | MetaMetaDecl of arity * meta_name (* name *) |
106 | | MetaIdDecl of arity * meta_name (* name *) | |
978fd7e5 | 107 | | MetaFreshIdDecl of meta_name (* name *) * seed (* seed *) |
34e49164 | 108 | | MetaTypeDecl of arity * meta_name (* name *) |
113803cf | 109 | | MetaInitDecl of arity * meta_name (* name *) |
8f657093 | 110 | | MetaInitListDecl of arity * meta_name (* name *) * list_len (*len*) |
34e49164 C |
111 | | MetaListlenDecl of meta_name (* name *) |
112 | | MetaParamDecl of arity * meta_name (* name *) | |
88e71198 | 113 | | MetaParamListDecl of arity * meta_name (*name*) * list_len (*len*) |
34e49164 C |
114 | | MetaConstDecl of |
115 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
116 | | MetaErrDecl of arity * meta_name (* name *) | |
117 | | MetaExpDecl of | |
118 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
119 | | MetaIdExpDecl of | |
120 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
121 | | MetaLocalIdExpDecl of | |
122 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
88e71198 | 123 | | MetaExpListDecl of arity * meta_name (*name*) * list_len (*len*) |
413ffc02 C |
124 | | MetaDeclDecl of arity * meta_name (* name *) |
125 | | MetaFieldDecl of arity * meta_name (* name *) | |
190f1acf | 126 | | MetaFieldListDecl of arity * meta_name (* name *) * list_len (*len*) |
34e49164 C |
127 | | MetaStmDecl of arity * meta_name (* name *) |
128 | | MetaStmListDecl of arity * meta_name (* name *) | |
129 | | MetaFuncDecl of arity * meta_name (* name *) | |
130 | | MetaLocalFuncDecl of arity * meta_name (* name *) | |
131 | | MetaPosDecl of arity * meta_name (* name *) | |
132 | | MetaDeclarerDecl of arity * meta_name (* name *) | |
133 | | MetaIteratorDecl of arity * meta_name (* name *) | |
134 | ||
88e71198 C |
135 | and list_len = AnyLen | MetaLen of meta_name | CstLen of int |
136 | ||
978fd7e5 C |
137 | and seed = NoVal | StringSeed of string | ListSeed of seed_elem list |
138 | and seed_elem = SeedString of string | SeedId of meta_name | |
139 | ||
34e49164 C |
140 | (* --------------------------------------------------------------------- *) |
141 | (* --------------------------------------------------------------------- *) | |
142 | (* Dots *) | |
143 | ||
144 | and 'a base_dots = | |
145 | DOTS of 'a list | |
146 | | CIRCLES of 'a list | |
147 | | STARS of 'a list | |
148 | ||
149 | and 'a dots = 'a base_dots wrap | |
150 | ||
151 | (* --------------------------------------------------------------------- *) | |
152 | (* Identifier *) | |
153 | ||
154 | and base_ident = | |
951c7801 C |
155 | Id of string mcode |
156 | | MetaId of meta_name mcode * idconstraint * keep_binding * inherited | |
157 | | MetaFunc of meta_name mcode * idconstraint * keep_binding * inherited | |
158 | | MetaLocalFunc of meta_name mcode * idconstraint * keep_binding * inherited | |
34e49164 | 159 | |
d3f655c6 | 160 | | DisjId of ident list |
34e49164 C |
161 | | OptIdent of ident |
162 | | UniqueIdent of ident | |
163 | ||
164 | and ident = base_ident wrap | |
165 | ||
166 | (* --------------------------------------------------------------------- *) | |
167 | (* Expression *) | |
168 | ||
faf9a90c | 169 | and base_expression = |
34e49164 C |
170 | Ident of ident |
171 | | Constant of constant mcode | |
172 | | FunCall of expression * string mcode (* ( *) * | |
173 | expression dots * string mcode (* ) *) | |
174 | | Assignment of expression * assignOp mcode * expression * | |
175 | bool (* true if it can match an initialization *) | |
176 | | CondExpr of expression * string mcode (* ? *) * expression option * | |
177 | string mcode (* : *) * expression | |
178 | | Postfix of expression * fixOp mcode | |
179 | | Infix of expression * fixOp mcode | |
180 | | Unary of expression * unaryOp mcode | |
181 | | Binary of expression * binaryOp mcode * expression | |
182 | | Nested of expression * binaryOp mcode * expression | |
183 | | ArrayAccess of expression * string mcode (* [ *) * expression * | |
184 | string mcode (* ] *) | |
185 | | RecordAccess of expression * string mcode (* . *) * ident | |
186 | | RecordPtAccess of expression * string mcode (* -> *) * ident | |
187 | | Cast of string mcode (* ( *) * fullType * string mcode (* ) *) * | |
188 | expression | |
189 | | SizeOfExpr of string mcode (* sizeof *) * expression | |
190 | | SizeOfType of string mcode (* sizeof *) * string mcode (* ( *) * | |
191 | fullType * string mcode (* ) *) | |
192 | | TypeExp of fullType (*type name used as an expression, only in | |
193 | arg or #define*) | |
194 | ||
195 | | Paren of string mcode (* ( *) * expression * | |
196 | string mcode (* ) *) | |
197 | ||
951c7801 | 198 | | MetaErr of meta_name mcode * constraints * keep_binding * |
34e49164 | 199 | inherited |
951c7801 | 200 | | MetaExpr of meta_name mcode * constraints * keep_binding * |
34e49164 | 201 | Type_cocci.typeC list option * form * inherited |
88e71198 | 202 | | MetaExprList of meta_name mcode * listlen * keep_binding * |
34e49164 C |
203 | inherited (* only in arg lists *) |
204 | ||
205 | | EComma of string mcode (* only in arg lists *) | |
206 | ||
207 | | DisjExpr of expression list | |
5636bb2c C |
208 | | NestExpr of string mcode (* <.../<+... *) * |
209 | expression dots * | |
210 | string mcode (* ...>/...+> *) * | |
211 | expression option * multi | |
34e49164 C |
212 | |
213 | (* can appear in arg lists, and also inside Nest, as in: | |
214 | if(< ... X ... Y ...>) | |
215 | In the following, the expression option is the WHEN *) | |
216 | | Edots of string mcode (* ... *) * expression option | |
217 | | Ecircles of string mcode (* ooo *) * expression option | |
218 | | Estars of string mcode (* *** *) * expression option | |
219 | ||
220 | | OptExp of expression | |
221 | | UniqueExp of expression | |
222 | ||
951c7801 C |
223 | and constraints = |
224 | NoConstraint | |
5636bb2c | 225 | | NotIdCstrt of reconstraint |
951c7801 | 226 | | NotExpCstrt of expression list |
5636bb2c C |
227 | | SubExpCstrt of meta_name list |
228 | ||
229 | (* Constraints on Meta-* Identifiers, Functions *) | |
230 | and idconstraint = | |
231 | IdNoConstraint | |
232 | | IdNegIdSet of string list * meta_name list | |
233 | | IdRegExpConstraint of reconstraint | |
234 | ||
235 | and reconstraint = | |
236 | | IdRegExp of string * Str.regexp | |
237 | | IdNotRegExp of string * Str.regexp | |
951c7801 | 238 | |
34e49164 C |
239 | (* ANY = int E; ID = idexpression int X; CONST = constant int X; *) |
240 | and form = ANY | ID | LocalID | CONST (* form for MetaExp *) | |
241 | ||
242 | and expression = base_expression wrap | |
243 | ||
88e71198 C |
244 | and listlen = |
245 | MetaListLen of meta_name mcode * keep_binding * inherited | |
246 | | CstListLen of int | |
247 | | AnyListLen | |
34e49164 | 248 | |
8babbc8f | 249 | and unaryOp = GetRef | GetRefLabel | DeRef | UnPlus | UnMinus | Tilde | Not |
34e49164 C |
250 | and assignOp = SimpleAssign | OpAssign of arithOp |
251 | and fixOp = Dec | Inc | |
252 | ||
253 | and binaryOp = Arith of arithOp | Logical of logicalOp | |
254 | and arithOp = | |
255 | Plus | Minus | Mul | Div | Mod | DecLeft | DecRight | And | Or | Xor | |
256 | and logicalOp = Inf | Sup | InfEq | SupEq | Eq | NotEq | AndLog | OrLog | |
257 | ||
258 | and constant = | |
259 | String of string | |
260 | | Char of string | |
261 | | Int of string | |
262 | | Float of string | |
263 | ||
264 | (* --------------------------------------------------------------------- *) | |
265 | (* Types *) | |
266 | ||
267 | and base_fullType = | |
268 | Type of const_vol mcode option * typeC | |
269 | | DisjType of fullType list (* only after iso *) | |
270 | | OptType of fullType | |
271 | | UniqueType of fullType | |
272 | ||
faf9a90c C |
273 | and base_typeC = |
274 | BaseType of baseType * string mcode list (* Yoann style *) | |
275 | | SignedT of sign mcode * typeC option | |
34e49164 C |
276 | | Pointer of fullType * string mcode (* * *) |
277 | | FunctionPointer of fullType * | |
278 | string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)* | |
279 | string mcode (* ( *)*parameter_list*string mcode(* ) *) | |
280 | ||
281 | (* used for the automatic managment of prototypes *) | |
282 | | FunctionType of bool (* true if all minus for dropping return type *) * | |
283 | fullType option * | |
284 | string mcode (* ( *) * parameter_list * | |
285 | string mcode (* ) *) | |
286 | ||
287 | | Array of fullType * string mcode (* [ *) * | |
288 | expression option * string mcode (* ] *) | |
c491d8ee C |
289 | | EnumName of string mcode (*enum*) * ident option (* name *) |
290 | | EnumDef of fullType (* either EnumName or metavar *) * | |
291 | string mcode (* { *) * expression dots * string mcode (* } *) | |
34e49164 C |
292 | | StructUnionName of structUnion mcode * ident option (* name *) |
293 | | StructUnionDef of fullType (* either StructUnionName or metavar *) * | |
294 | string mcode (* { *) * declaration dots * string mcode (* } *) | |
b1b2de81 | 295 | | TypeName of string mcode (* pad: should be 'of ident' ? *) |
34e49164 C |
296 | |
297 | | MetaType of meta_name mcode * keep_binding * inherited | |
298 | ||
299 | and fullType = base_fullType wrap | |
300 | and typeC = base_typeC wrap | |
faf9a90c | 301 | |
34e49164 | 302 | and baseType = VoidType | CharType | ShortType | IntType | DoubleType |
1eddfd50 | 303 | | FloatType | LongType | LongLongType | SizeType | SSizeType | PtrDiffType |
34e49164 C |
304 | |
305 | and structUnion = Struct | Union | |
306 | ||
307 | and sign = Signed | Unsigned | |
308 | ||
309 | and const_vol = Const | Volatile | |
310 | ||
311 | (* --------------------------------------------------------------------- *) | |
312 | (* Variable declaration *) | |
313 | (* Even if the Cocci program specifies a list of declarations, they are | |
314 | split out into multiple declarations of a single variable each. *) | |
315 | ||
316 | and base_declaration = | |
317 | Init of storage mcode option * fullType * ident * string mcode (*=*) * | |
318 | initialiser * string mcode (*;*) | |
319 | | UnInit of storage mcode option * fullType * ident * string mcode (* ; *) | |
320 | | TyDecl of fullType * string mcode (* ; *) | |
321 | | MacroDecl of ident (* name *) * string mcode (* ( *) * | |
322 | expression dots * string mcode (* ) *) * string mcode (* ; *) | |
faf9a90c | 323 | | Typedef of string mcode (*typedef*) * fullType * |
34e49164 C |
324 | typeC (* either TypeName or metavar *) * string mcode (*;*) |
325 | | DisjDecl of declaration list | |
326 | (* Ddots is for a structure declaration *) | |
327 | | Ddots of string mcode (* ... *) * declaration option (* whencode *) | |
328 | ||
329 | | MetaDecl of meta_name mcode * keep_binding * inherited | |
413ffc02 | 330 | | MetaField of meta_name mcode * keep_binding * inherited |
190f1acf | 331 | | MetaFieldList of meta_name mcode * listlen * keep_binding * inherited |
34e49164 C |
332 | |
333 | | OptDecl of declaration | |
334 | | UniqueDecl of declaration | |
335 | ||
336 | and declaration = base_declaration wrap | |
337 | ||
338 | (* --------------------------------------------------------------------- *) | |
339 | (* Initializers *) | |
340 | ||
341 | and base_initialiser = | |
113803cf | 342 | MetaInit of meta_name mcode * keep_binding * inherited |
8f657093 | 343 | | MetaInitList of meta_name mcode * listlen * keep_binding * inherited |
113803cf | 344 | | InitExpr of expression |
c491d8ee C |
345 | | ArInitList of string mcode (*{*) * initialiser dots * string mcode (*}*) |
346 | | StrInitList of bool (* true if all are - *) * | |
90aeb998 | 347 | string mcode (*{*) * initialiser list * string mcode (*}*) * |
34e49164 | 348 | initialiser list (* whencode: elements that shouldn't appear in init *) |
113803cf C |
349 | | InitGccExt of |
350 | designator list (* name *) * string mcode (*=*) * | |
34e49164 C |
351 | initialiser (* gccext: *) |
352 | | InitGccName of ident (* name *) * string mcode (*:*) * | |
353 | initialiser | |
34e49164 | 354 | | IComma of string mcode (* , *) |
c491d8ee | 355 | | Idots of string mcode (* ... *) * initialiser option (* whencode *) |
34e49164 C |
356 | |
357 | | OptIni of initialiser | |
358 | | UniqueIni of initialiser | |
359 | ||
113803cf C |
360 | and designator = |
361 | DesignatorField of string mcode (* . *) * ident | |
362 | | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *) | |
363 | | DesignatorRange of | |
364 | string mcode (* [ *) * expression * string mcode (* ... *) * | |
365 | expression * string mcode (* ] *) | |
366 | ||
34e49164 C |
367 | and initialiser = base_initialiser wrap |
368 | ||
369 | (* --------------------------------------------------------------------- *) | |
370 | (* Parameter *) | |
371 | ||
372 | and base_parameterTypeDef = | |
373 | VoidParam of fullType | |
374 | | Param of fullType * ident option | |
375 | ||
376 | | MetaParam of meta_name mcode * keep_binding * inherited | |
88e71198 | 377 | | MetaParamList of meta_name mcode * listlen * keep_binding * inherited |
34e49164 C |
378 | |
379 | | PComma of string mcode | |
380 | ||
381 | | Pdots of string mcode (* ... *) | |
382 | | Pcircles of string mcode (* ooo *) | |
383 | ||
384 | | OptParam of parameterTypeDef | |
385 | | UniqueParam of parameterTypeDef | |
386 | ||
387 | and parameterTypeDef = base_parameterTypeDef wrap | |
388 | ||
389 | and parameter_list = parameterTypeDef dots | |
390 | ||
391 | (* --------------------------------------------------------------------- *) | |
392 | (* #define Parameters *) | |
393 | ||
394 | and base_define_param = | |
395 | DParam of ident | |
396 | | DPComma of string mcode | |
397 | | DPdots of string mcode (* ... *) | |
398 | | DPcircles of string mcode (* ooo *) | |
399 | | OptDParam of define_param | |
400 | | UniqueDParam of define_param | |
401 | ||
402 | and define_param = base_define_param wrap | |
403 | ||
404 | and base_define_parameters = | |
405 | NoParams (* not parameter list, not an empty one *) | |
406 | | DParams of string mcode(*( *) * define_param dots * string mcode(* )*) | |
407 | ||
408 | and define_parameters = base_define_parameters wrap | |
409 | ||
410 | (* --------------------------------------------------------------------- *) | |
411 | (* positions *) | |
412 | ||
413 | (* PER = keep bindings separate, ALL = collect them *) | |
414 | and meta_collect = PER | ALL | |
415 | ||
416 | and meta_pos = | |
417 | MetaPos of meta_name mcode * meta_name list * | |
8f657093 | 418 | meta_collect * keep_binding * inherited |
34e49164 C |
419 | |
420 | (* --------------------------------------------------------------------- *) | |
421 | (* Function declaration *) | |
422 | ||
423 | and storage = Static | Auto | Register | Extern | |
424 | ||
425 | (* --------------------------------------------------------------------- *) | |
426 | (* Top-level code *) | |
427 | ||
428 | and base_rule_elem = | |
429 | FunHeader of mcodekind (* before the function header *) * | |
430 | bool (* true if all minus, for dropping static, etc *) * | |
431 | fninfo list * ident (* name *) * | |
432 | string mcode (* ( *) * parameter_list * | |
433 | string mcode (* ) *) | |
434 | | Decl of mcodekind (* before the decl *) * | |
435 | bool (* true if all minus *) * declaration | |
436 | ||
437 | | SeqStart of string mcode (* { *) | |
438 | | SeqEnd of string mcode (* } *) | |
439 | ||
8babbc8f | 440 | | ExprStatement of expression option * string mcode (*;*) |
34e49164 C |
441 | | IfHeader of string mcode (* if *) * string mcode (* ( *) * |
442 | expression * string mcode (* ) *) | |
443 | | Else of string mcode (* else *) | |
444 | | WhileHeader of string mcode (* while *) * string mcode (* ( *) * | |
445 | expression * string mcode (* ) *) | |
446 | | DoHeader of string mcode (* do *) | |
447 | | WhileTail of string mcode (* while *) * string mcode (* ( *) * | |
448 | expression * string mcode (* ) *) * | |
449 | string mcode (* ; *) | |
450 | | ForHeader of string mcode (* for *) * string mcode (* ( *) * | |
451 | expression option * string mcode (*;*) * | |
452 | expression option * string mcode (*;*) * | |
453 | expression option * string mcode (* ) *) | |
454 | | IteratorHeader of ident (* name *) * string mcode (* ( *) * | |
455 | expression dots * string mcode (* ) *) | |
456 | | SwitchHeader of string mcode (* switch *) * string mcode (* ( *) * | |
457 | expression * string mcode (* ) *) | |
458 | | Break of string mcode (* break *) * string mcode (* ; *) | |
459 | | Continue of string mcode (* continue *) * string mcode (* ; *) | |
460 | | Label of ident * string mcode (* : *) | |
461 | | Goto of string mcode (* goto *) * ident * string mcode (* ; *) | |
462 | | Return of string mcode (* return *) * string mcode (* ; *) | |
463 | | ReturnExpr of string mcode (* return *) * expression * | |
464 | string mcode (* ; *) | |
465 | ||
466 | | MetaRuleElem of meta_name mcode * keep_binding * inherited | |
467 | | MetaStmt of meta_name mcode * keep_binding * metaStmtInfo * | |
468 | inherited | |
469 | | MetaStmtList of meta_name mcode * keep_binding * inherited | |
470 | ||
471 | | Exp of expression (* matches a subterm *) | |
472 | | TopExp of expression (* for macros body, exp at top level, | |
473 | not subexp *) | |
474 | | Ty of fullType (* only at SP top level, matches a subterm *) | |
1be43e12 | 475 | | TopInit of initialiser (* only at top level *) |
34e49164 | 476 | | Include of string mcode (*#include*) * inc_file mcode (*file *) |
3a314143 | 477 | | Undef of string mcode (* #define *) * ident (* name *) |
34e49164 C |
478 | | DefineHeader of string mcode (* #define *) * ident (* name *) * |
479 | define_parameters (*params*) | |
480 | | Case of string mcode (* case *) * expression * string mcode (*:*) | |
481 | | Default of string mcode (* default *) * string mcode (*:*) | |
482 | | DisjRuleElem of rule_elem list | |
483 | ||
484 | and fninfo = | |
485 | FStorage of storage mcode | |
486 | | FType of fullType | |
487 | | FInline of string mcode | |
488 | | FAttr of string mcode | |
489 | ||
490 | and metaStmtInfo = | |
491 | NotSequencible | SequencibleAfterDots of dots_whencode list | Sequencible | |
492 | ||
493 | and rule_elem = base_rule_elem wrap | |
494 | ||
495 | and base_statement = | |
708f4980 | 496 | Seq of rule_elem (* { *) * |
34e49164 C |
497 | statement dots * rule_elem (* } *) |
498 | | IfThen of rule_elem (* header *) * statement * end_info (* endif *) | |
499 | | IfThenElse of rule_elem (* header *) * statement * | |
500 | rule_elem (* else *) * statement * end_info (* endif *) | |
501 | | While of rule_elem (* header *) * statement * end_info (*endwhile*) | |
502 | | Do of rule_elem (* do *) * statement * rule_elem (* tail *) | |
503 | | For of rule_elem (* header *) * statement * end_info (*endfor*) | |
504 | | Iterator of rule_elem (* header *) * statement * end_info (*enditer*) | |
505 | | Switch of rule_elem (* header *) * rule_elem (* { *) * | |
fc1ad971 | 506 | statement (*decl*) dots * case_line list * rule_elem(*}*) |
34e49164 C |
507 | | Atomic of rule_elem |
508 | | Disj of statement dots list | |
5636bb2c C |
509 | | Nest of string mcode (* <.../<+... *) * statement dots * |
510 | string mcode (* ...>/...+> *) * | |
34e49164 C |
511 | (statement dots,statement) whencode list * multi * |
512 | dots_whencode list * dots_whencode list | |
513 | | FunDecl of rule_elem (* header *) * rule_elem (* { *) * | |
708f4980 | 514 | statement dots * rule_elem (* } *) |
34e49164 C |
515 | | Define of rule_elem (* header *) * statement dots |
516 | | Dots of string mcode (* ... *) * | |
517 | (statement dots,statement) whencode list * | |
518 | dots_whencode list * dots_whencode list | |
519 | | Circles of string mcode (* ooo *) * | |
520 | (statement dots,statement) whencode list * | |
521 | dots_whencode list * dots_whencode list | |
522 | | Stars of string mcode (* *** *) * | |
523 | (statement dots,statement) whencode list * | |
524 | dots_whencode list * dots_whencode list | |
525 | | OptStm of statement | |
526 | | UniqueStm of statement | |
527 | ||
528 | and ('a,'b) whencode = | |
529 | WhenNot of 'a | |
530 | | WhenAlways of 'b | |
531 | | WhenModifier of when_modifier | |
1be43e12 C |
532 | | WhenNotTrue of rule_elem (* useful for fvs *) |
533 | | WhenNotFalse of rule_elem | |
34e49164 C |
534 | |
535 | and when_modifier = | |
536 | (* The following removes the shortest path constraint. It can be used | |
537 | with other when modifiers *) | |
538 | WhenAny | |
539 | (* The following removes the special consideration of error paths. It | |
540 | can be used with other when modifiers *) | |
541 | | WhenStrict | |
542 | | WhenForall | |
543 | | WhenExists | |
544 | ||
545 | (* only used with asttoctl *) | |
546 | and dots_whencode = | |
547 | WParen of rule_elem * meta_name (*pren_var*) | |
548 | | Other of statement | |
549 | | Other_dots of statement dots | |
550 | ||
551 | and statement = base_statement wrap | |
552 | ||
553 | and base_case_line = | |
554 | CaseLine of rule_elem (* case/default header *) * statement dots | |
555 | | OptCase of case_line | |
556 | ||
557 | and case_line = base_case_line wrap | |
558 | ||
559 | and inc_file = | |
560 | Local of inc_elem list | |
561 | | NonLocal of inc_elem list | |
562 | ||
563 | and inc_elem = | |
564 | IncPath of string | |
565 | | IncDots | |
566 | ||
567 | and base_top_level = | |
65038c61 | 568 | NONDECL of statement |
34e49164 C |
569 | | CODE of statement dots |
570 | | FILEINFO of string mcode (* old file *) * string mcode (* new file *) | |
571 | | ERRORWORDS of expression list | |
572 | ||
573 | and top_level = base_top_level wrap | |
574 | ||
575 | and rulename = | |
576 | CocciRulename of string option * dependency * | |
577 | string list * string list * exists * bool | |
faf9a90c C |
578 | | GeneratedRulename of string option * dependency * |
579 | string list * string list * exists * bool | |
174d1640 C |
580 | | ScriptRulename of string option (* name *) * string (* language *) * |
581 | dependency | |
582 | | InitialScriptRulename of string option (* name *) * string (* language *) * | |
583 | dependency | |
584 | | FinalScriptRulename of string option (* name *) * string (* language *) * | |
585 | dependency | |
34e49164 | 586 | |
faf9a90c C |
587 | and ruletype = Normal | Generated |
588 | ||
34e49164 | 589 | and rule = |
faf9a90c | 590 | CocciRule of string (* name *) * |
34e49164 | 591 | (dependency * string list (* dropped isos *) * exists) * top_level list |
faf9a90c | 592 | * bool list * ruletype |
174d1640 C |
593 | | ScriptRule of string (* name *) * |
594 | (* metaname for python (untyped), metavar for ocaml (typed) *) | |
aba5c457 | 595 | string * dependency * |
413ffc02 C |
596 | (script_meta_name * meta_name * metavar) list (*inherited vars*) * |
597 | meta_name list (*script vars*) * string | |
174d1640 C |
598 | | InitialScriptRule of string (* name *) * |
599 | string (*language*) * dependency * string (*code*) | |
600 | | FinalScriptRule of string (* name *) * | |
601 | string (*language*) * dependency * string (*code*) | |
34e49164 | 602 | |
aba5c457 C |
603 | and script_meta_name = string option (*string*) * string option (*ast*) |
604 | ||
34e49164 C |
605 | and dependency = |
606 | Dep of string (* rule applies for the current binding *) | |
607 | | AntiDep of string (* rule doesn't apply for the current binding *) | |
608 | | EverDep of string (* rule applies for some binding *) | |
609 | | NeverDep of string (* rule never applies for any binding *) | |
610 | | AndDep of dependency * dependency | |
611 | | OrDep of dependency * dependency | |
7f004419 | 612 | | NoDep | FailDep |
34e49164 C |
613 | |
614 | and rule_with_metavars = metavar list * rule | |
615 | ||
616 | and anything = | |
617 | FullTypeTag of fullType | |
618 | | BaseTypeTag of baseType | |
619 | | StructUnionTag of structUnion | |
620 | | SignTag of sign | |
621 | | IdentTag of ident | |
622 | | ExpressionTag of expression | |
623 | | ConstantTag of constant | |
624 | | UnaryOpTag of unaryOp | |
625 | | AssignOpTag of assignOp | |
626 | | FixOpTag of fixOp | |
627 | | BinaryOpTag of binaryOp | |
628 | | ArithOpTag of arithOp | |
629 | | LogicalOpTag of logicalOp | |
630 | | DeclarationTag of declaration | |
631 | | InitTag of initialiser | |
632 | | StorageTag of storage | |
633 | | IncFileTag of inc_file | |
634 | | Rule_elemTag of rule_elem | |
635 | | StatementTag of statement | |
636 | | CaseLineTag of case_line | |
637 | | ConstVolTag of const_vol | |
638 | | Token of string * info option | |
c3e37e97 | 639 | | Pragma of added_string list |
34e49164 C |
640 | | Code of top_level |
641 | | ExprDotsTag of expression dots | |
642 | | ParamDotsTag of parameterTypeDef dots | |
643 | | StmtDotsTag of statement dots | |
644 | | DeclDotsTag of declaration dots | |
645 | | TypeCTag of typeC | |
646 | | ParamTag of parameterTypeDef | |
647 | | SgrepStartTag of string | |
648 | | SgrepEndTag of string | |
649 | ||
650 | (* --------------------------------------------------------------------- *) | |
651 | ||
978fd7e5 C |
652 | and exists = Exists | Forall | Undetermined |
653 | (* | ReverseForall - idea: look back on all flow paths; not implemented *) | |
34e49164 C |
654 | |
655 | (* --------------------------------------------------------------------- *) | |
656 | ||
657 | let mkToken x = Token (x,None) | |
658 | ||
659 | (* --------------------------------------------------------------------- *) | |
660 | ||
951c7801 C |
661 | let lub_count i1 i2 = |
662 | match (i1,i2) with | |
663 | (MANY,MANY) -> MANY | |
664 | | _ -> ONE | |
665 | ||
666 | (* --------------------------------------------------------------------- *) | |
667 | ||
34e49164 C |
668 | let rewrap model x = {model with node = x} |
669 | let rewrap_mcode (_,a,b,c) x = (x,a,b,c) | |
670 | let unwrap x = x.node | |
671 | let unwrap_mcode (x,_,_,_) = x | |
672 | let get_mcodekind (_,_,x,_) = x | |
673 | let get_line x = x.node_line | |
674 | let get_mcode_line (_,l,_,_) = l.line | |
708f4980 | 675 | let get_mcode_col (_,l,_,_) = l.column |
34e49164 C |
676 | let get_fvs x = x.free_vars |
677 | let set_fvs fvs x = {x with free_vars = fvs} | |
678 | let get_mfvs x = x.minus_free_vars | |
679 | let set_mfvs mfvs x = {x with minus_free_vars = mfvs} | |
680 | let get_fresh x = x.fresh_vars | |
681 | let get_inherited x = x.inherited | |
682 | let get_saved x = x.saved_witness | |
683 | let get_dots_bef_aft x = x.bef_aft | |
684 | let set_dots_bef_aft d x = {x with bef_aft = d} | |
685 | let get_pos x = x.pos_info | |
686 | let set_pos x pos = {x with pos_info = pos} | |
690d68d1 C |
687 | let get_test_exp x = x.true_if_test_exp |
688 | let set_test_exp x = {x with true_if_test_exp = true} | |
689 | let get_safe_decl x = x.safe_for_multi_decls | |
34e49164 C |
690 | let get_isos x = x.iso_info |
691 | let set_isos x isos = {x with iso_info = isos} | |
692 | let get_pos_var (_,_,_,p) = p | |
693 | let set_pos_var vr (a,b,c,_) = (a,b,c,vr) | |
8f657093 | 694 | let drop_pos (a,b,c,_) = (a,b,c,[]) |
34e49164 C |
695 | |
696 | let get_wcfvs (whencode : ('a wrap, 'b wrap) whencode list) = | |
697 | Common.union_all | |
698 | (List.map | |
699 | (function | |
700 | WhenNot(a) -> get_fvs a | |
701 | | WhenAlways(a) -> get_fvs a | |
1be43e12 C |
702 | | WhenModifier(_) -> [] |
703 | | WhenNotTrue(e) -> get_fvs e | |
704 | | WhenNotFalse(e) -> get_fvs e) | |
34e49164 C |
705 | whencode) |
706 | ||
707 | (* --------------------------------------------------------------------- *) | |
708 | ||
709 | let get_meta_name = function | |
b23ff9c7 C |
710 | MetaMetaDecl(ar,nm) -> nm |
711 | | MetaIdDecl(ar,nm) -> nm | |
b1b2de81 | 712 | | MetaFreshIdDecl(nm,seed) -> nm |
34e49164 | 713 | | MetaTypeDecl(ar,nm) -> nm |
113803cf | 714 | | MetaInitDecl(ar,nm) -> nm |
8f657093 | 715 | | MetaInitListDecl(ar,nm,nm1) -> nm |
34e49164 C |
716 | | MetaListlenDecl(nm) -> nm |
717 | | MetaParamDecl(ar,nm) -> nm | |
718 | | MetaParamListDecl(ar,nm,nm1) -> nm | |
719 | | MetaConstDecl(ar,nm,ty) -> nm | |
720 | | MetaErrDecl(ar,nm) -> nm | |
721 | | MetaExpDecl(ar,nm,ty) -> nm | |
722 | | MetaIdExpDecl(ar,nm,ty) -> nm | |
723 | | MetaLocalIdExpDecl(ar,nm,ty) -> nm | |
724 | | MetaExpListDecl(ar,nm,nm1) -> nm | |
413ffc02 C |
725 | | MetaDeclDecl(ar,nm) -> nm |
726 | | MetaFieldDecl(ar,nm) -> nm | |
190f1acf | 727 | | MetaFieldListDecl(ar,nm,nm1) -> nm |
34e49164 C |
728 | | MetaStmDecl(ar,nm) -> nm |
729 | | MetaStmListDecl(ar,nm) -> nm | |
730 | | MetaFuncDecl(ar,nm) -> nm | |
731 | | MetaLocalFuncDecl(ar,nm) -> nm | |
732 | | MetaPosDecl(ar,nm) -> nm | |
733 | | MetaDeclarerDecl(ar,nm) -> nm | |
734 | | MetaIteratorDecl(ar,nm) -> nm | |
735 | ||
736 | (* --------------------------------------------------------------------- *) | |
737 | ||
0708f913 C |
738 | and tag2c = function |
739 | FullTypeTag _ -> "FullTypeTag" | |
740 | | BaseTypeTag _ -> "BaseTypeTag" | |
741 | | StructUnionTag _ -> "StructUnionTag" | |
742 | | SignTag _ -> "SignTag" | |
743 | | IdentTag _ -> "IdentTag" | |
744 | | ExpressionTag _ -> "ExpressionTag" | |
745 | | ConstantTag _ -> "ConstantTag" | |
746 | | UnaryOpTag _ -> "UnaryOpTag" | |
747 | | AssignOpTag _ -> "AssignOpTag" | |
748 | | FixOpTag _ -> "FixOpTag" | |
749 | | BinaryOpTag _ -> "BinaryOpTag" | |
750 | | ArithOpTag _ -> "ArithOpTag" | |
751 | | LogicalOpTag _ -> "LogicalOpTag" | |
752 | | DeclarationTag _ -> "DeclarationTag" | |
753 | | InitTag _ -> "InitTag" | |
754 | | StorageTag _ -> "StorageTag" | |
755 | | IncFileTag _ -> "IncFileTag" | |
756 | | Rule_elemTag _ -> "Rule_elemTag" | |
757 | | StatementTag _ -> "StatementTag" | |
758 | | CaseLineTag _ -> "CaseLineTag" | |
759 | | ConstVolTag _ -> "ConstVolTag" | |
760 | | Token _ -> "Token" | |
761 | | Pragma _ -> "Pragma" | |
762 | | Code _ -> "Code" | |
763 | | ExprDotsTag _ -> "ExprDotsTag" | |
764 | | ParamDotsTag _ -> "ParamDotsTag" | |
765 | | StmtDotsTag _ -> "StmtDotsTag" | |
766 | | DeclDotsTag _ -> "DeclDotsTag" | |
767 | | TypeCTag _ -> "TypeCTag" | |
768 | | ParamTag _ -> "ParamTag" | |
769 | | SgrepStartTag _ -> "SgrepStartTag" | |
770 | | SgrepEndTag _ -> "SgrepEndTag" | |
771 | ||
772 | (* --------------------------------------------------------------------- *) | |
773 | ||
708f4980 | 774 | let no_info = { line = 0; column = -1; strbef = []; straft = [] } |
34e49164 C |
775 | |
776 | let make_term x = | |
777 | {node = x; | |
778 | node_line = 0; | |
779 | free_vars = []; | |
780 | minus_free_vars = []; | |
781 | fresh_vars = []; | |
782 | inherited = []; | |
783 | saved_witness = []; | |
784 | bef_aft = NoDots; | |
785 | pos_info = None; | |
786 | true_if_test_exp = false; | |
690d68d1 | 787 | safe_for_multi_decls = false; |
34e49164 C |
788 | iso_info = [] } |
789 | ||
790 | let make_meta_rule_elem s d (fvs,fresh,inh) = | |
ae4735db | 791 | let rule = "" in |
34e49164 | 792 | {(make_term |
8f657093 | 793 | (MetaRuleElem(((rule,s),no_info,d,[]),Type_cocci.Unitary,false))) |
34e49164 C |
794 | with free_vars = fvs; fresh_vars = fresh; inherited = inh} |
795 | ||
796 | let make_meta_decl s d (fvs,fresh,inh) = | |
ae4735db | 797 | let rule = "" in |
34e49164 | 798 | {(make_term |
8f657093 | 799 | (MetaDecl(((rule,s),no_info,d,[]),Type_cocci.Unitary,false))) with |
34e49164 C |
800 | free_vars = fvs; fresh_vars = fresh; inherited = inh} |
801 | ||
8f657093 | 802 | let make_mcode x = (x,no_info,CONTEXT(NoPos,NOTHING),[]) |
34e49164 C |
803 | |
804 | (* --------------------------------------------------------------------- *) | |
805 | ||
806 | let equal_pos x y = x = y | |
807 | ||
808 | (* --------------------------------------------------------------------- *) | |
809 | ||
810 | let undots x = | |
811 | match unwrap x with | |
812 | DOTS e -> e | |
813 | | CIRCLES e -> e | |
814 | | STARS e -> e |